Adsorptive Removal of p-chloronitrobenzene(pCNB) by Mesoporous Silica HMS from Aqueous Solution

被引：0
|
作者：
Zhang, Dongmei [1 ]
Chen, Zhonglin [1 ]
Xu, Zhenzhen [1 ]
Shen, Jimin [1 ]
机构：
[1] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
来源：
ICEET: 2009 INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENT TECHNOLOGY, VOL 2, PROCEEDINGS | 2009年
关键词：
p-chloronitrobenzene(pCNB); Adsorption; HMS; Isotherm; Desorption; ZEOLITE; WATER; SORPTION; MCM-41;
D O I：
10.1109/ICEET.2009.336
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Adsorption of p-chloronitrobenzene(pCNB) onto mesoporous molecular sieves (HMS) from aqueous solution has been investigated systematically using batch experiments in this study. Results indicate that p-chloronitrobenzene(pCNB) adsorption is initially rapid and the adsorption process reaches a steady state after 1 minute. The adsorption isotherms are well described by the Langmuir and the Freundlich models. The effects of temperature and pH are also examined. According to the experimental results, the amount of p-chloronitrobenzene(pCNB) adsorbed decreases with increases of temperature from 288 to 308 K and pH from 2.0 to 11.0. The desorption process shows a reversibility of P-chloronitrobenzene adsorption onto HMS. Based on the results, it suggests that the adsorption is primarily brought about by hydrogen bonding between p-chloronitrobenzene and HMS surface.
引用
收藏
页码：401 / 404
页数：4
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